Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "common_throws.h" |
| 18 | |
Ian Rogers | 22d5e73 | 2014-07-15 22:23:51 -0700 | [diff] [blame] | 19 | #include <sstream> |
| 20 | |
Andreas Gampe | 103992b | 2016-01-04 15:32:43 -0800 | [diff] [blame] | 21 | #include "ScopedLocalRef.h" |
| 22 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 23 | #include "art_field-inl.h" |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 24 | #include "art_method-inl.h" |
Elliott Hughes | 07ed66b | 2012-12-12 18:34:25 -0800 | [diff] [blame] | 25 | #include "base/logging.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 26 | #include "class_linker-inl.h" |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 27 | #include "dex_file-inl.h" |
Sebastien Hertz | 75b2a4a | 2013-05-21 09:25:10 +0200 | [diff] [blame] | 28 | #include "dex_instruction-inl.h" |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 29 | #include "invoke_type.h" |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 30 | #include "mirror/class-inl.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 31 | #include "mirror/object-inl.h" |
| 32 | #include "mirror/object_array-inl.h" |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 33 | #include "thread.h" |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 34 | #include "verifier/method_verifier.h" |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 35 | |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 36 | namespace art { |
| 37 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 38 | static void AddReferrerLocation(std::ostream& os, mirror::Class* referrer) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 39 | SHARED_REQUIRES(Locks::mutator_lock_) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 40 | if (referrer != nullptr) { |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 41 | std::string location(referrer->GetLocation()); |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 42 | if (!location.empty()) { |
| 43 | os << " (declaration of '" << PrettyDescriptor(referrer) |
| 44 | << "' appears in " << location << ")"; |
| 45 | } |
| 46 | } |
| 47 | } |
| 48 | |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 49 | static void ThrowException(const char* exception_descriptor, |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 50 | mirror::Class* referrer, const char* fmt, va_list* args = nullptr) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 51 | SHARED_REQUIRES(Locks::mutator_lock_) { |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 52 | std::ostringstream msg; |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 53 | if (args != nullptr) { |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 54 | std::string vmsg; |
| 55 | StringAppendV(&vmsg, fmt, *args); |
| 56 | msg << vmsg; |
| 57 | } else { |
| 58 | msg << fmt; |
| 59 | } |
| 60 | AddReferrerLocation(msg, referrer); |
| 61 | Thread* self = Thread::Current(); |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 62 | self->ThrowNewException(exception_descriptor, msg.str().c_str()); |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 63 | } |
| 64 | |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 65 | static void ThrowWrappedException(const char* exception_descriptor, |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 66 | mirror::Class* referrer, const char* fmt, va_list* args = nullptr) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 67 | SHARED_REQUIRES(Locks::mutator_lock_) { |
Andreas Gampe | 329d188 | 2014-04-08 10:32:19 -0700 | [diff] [blame] | 68 | std::ostringstream msg; |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 69 | if (args != nullptr) { |
Andreas Gampe | 329d188 | 2014-04-08 10:32:19 -0700 | [diff] [blame] | 70 | std::string vmsg; |
| 71 | StringAppendV(&vmsg, fmt, *args); |
| 72 | msg << vmsg; |
| 73 | } else { |
| 74 | msg << fmt; |
| 75 | } |
| 76 | AddReferrerLocation(msg, referrer); |
| 77 | Thread* self = Thread::Current(); |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 78 | self->ThrowNewWrappedException(exception_descriptor, msg.str().c_str()); |
Andreas Gampe | 329d188 | 2014-04-08 10:32:19 -0700 | [diff] [blame] | 79 | } |
| 80 | |
Sebastien Hertz | 56adf60 | 2013-07-09 17:27:07 +0200 | [diff] [blame] | 81 | // AbstractMethodError |
| 82 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 83 | void ThrowAbstractMethodError(ArtMethod* method) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 84 | ThrowException("Ljava/lang/AbstractMethodError;", nullptr, |
Sebastien Hertz | 56adf60 | 2013-07-09 17:27:07 +0200 | [diff] [blame] | 85 | StringPrintf("abstract method \"%s\"", |
| 86 | PrettyMethod(method).c_str()).c_str()); |
| 87 | } |
| 88 | |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 89 | // ArithmeticException |
| 90 | |
Sebastien Hertz | 0a3b863 | 2013-06-26 11:16:01 +0200 | [diff] [blame] | 91 | void ThrowArithmeticExceptionDivideByZero() { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 92 | ThrowException("Ljava/lang/ArithmeticException;", nullptr, "divide by zero"); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 93 | } |
| 94 | |
| 95 | // ArrayIndexOutOfBoundsException |
| 96 | |
| 97 | void ThrowArrayIndexOutOfBoundsException(int index, int length) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 98 | ThrowException("Ljava/lang/ArrayIndexOutOfBoundsException;", nullptr, |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 99 | StringPrintf("length=%d; index=%d", length, index).c_str()); |
| 100 | } |
| 101 | |
| 102 | // ArrayStoreException |
| 103 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 104 | void ThrowArrayStoreException(mirror::Class* element_class, mirror::Class* array_class) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 105 | ThrowException("Ljava/lang/ArrayStoreException;", nullptr, |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 106 | StringPrintf("%s cannot be stored in an array of type %s", |
| 107 | PrettyDescriptor(element_class).c_str(), |
| 108 | PrettyDescriptor(array_class).c_str()).c_str()); |
| 109 | } |
| 110 | |
| 111 | // ClassCastException |
| 112 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 113 | void ThrowClassCastException(mirror::Class* dest_type, mirror::Class* src_type) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 114 | ThrowException("Ljava/lang/ClassCastException;", nullptr, |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 115 | StringPrintf("%s cannot be cast to %s", |
| 116 | PrettyDescriptor(src_type).c_str(), |
| 117 | PrettyDescriptor(dest_type).c_str()).c_str()); |
| 118 | } |
| 119 | |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 120 | void ThrowClassCastException(const char* msg) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 121 | ThrowException("Ljava/lang/ClassCastException;", nullptr, msg); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 122 | } |
| 123 | |
| 124 | // ClassCircularityError |
| 125 | |
| 126 | void ThrowClassCircularityError(mirror::Class* c) { |
| 127 | std::ostringstream msg; |
| 128 | msg << PrettyDescriptor(c); |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 129 | ThrowException("Ljava/lang/ClassCircularityError;", c, msg.str().c_str()); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | // ClassFormatError |
| 133 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 134 | void ThrowClassFormatError(mirror::Class* referrer, const char* fmt, ...) { |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 135 | va_list args; |
| 136 | va_start(args, fmt); |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 137 | ThrowException("Ljava/lang/ClassFormatError;", referrer, fmt, &args); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 138 | va_end(args);} |
| 139 | |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 140 | // IllegalAccessError |
| 141 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 142 | void ThrowIllegalAccessErrorClass(mirror::Class* referrer, mirror::Class* accessed) { |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 143 | std::ostringstream msg; |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 144 | msg << "Illegal class access: '" << PrettyDescriptor(referrer) << "' attempting to access '" |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 145 | << PrettyDescriptor(accessed) << "'"; |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 146 | ThrowException("Ljava/lang/IllegalAccessError;", referrer, msg.str().c_str()); |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 147 | } |
| 148 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 149 | void ThrowIllegalAccessErrorClassForMethodDispatch(mirror::Class* referrer, mirror::Class* accessed, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 150 | ArtMethod* called, |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 151 | InvokeType type) { |
| 152 | std::ostringstream msg; |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 153 | msg << "Illegal class access ('" << PrettyDescriptor(referrer) << "' attempting to access '" |
| 154 | << PrettyDescriptor(accessed) << "') in attempt to invoke " << type |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 155 | << " method " << PrettyMethod(called).c_str(); |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 156 | ThrowException("Ljava/lang/IllegalAccessError;", referrer, msg.str().c_str()); |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 157 | } |
| 158 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 159 | void ThrowIllegalAccessErrorMethod(mirror::Class* referrer, ArtMethod* accessed) { |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 160 | std::ostringstream msg; |
| 161 | msg << "Method '" << PrettyMethod(accessed) << "' is inaccessible to class '" |
| 162 | << PrettyDescriptor(referrer) << "'"; |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 163 | ThrowException("Ljava/lang/IllegalAccessError;", referrer, msg.str().c_str()); |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 164 | } |
| 165 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 166 | void ThrowIllegalAccessErrorField(mirror::Class* referrer, ArtField* accessed) { |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 167 | std::ostringstream msg; |
| 168 | msg << "Field '" << PrettyField(accessed, false) << "' is inaccessible to class '" |
| 169 | << PrettyDescriptor(referrer) << "'"; |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 170 | ThrowException("Ljava/lang/IllegalAccessError;", referrer, msg.str().c_str()); |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 171 | } |
| 172 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 173 | void ThrowIllegalAccessErrorFinalField(ArtMethod* referrer, ArtField* accessed) { |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 174 | std::ostringstream msg; |
| 175 | msg << "Final field '" << PrettyField(accessed, false) << "' cannot be written to by method '" |
| 176 | << PrettyMethod(referrer) << "'"; |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 177 | ThrowException("Ljava/lang/IllegalAccessError;", |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 178 | referrer != nullptr ? referrer->GetDeclaringClass() : nullptr, |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 179 | msg.str().c_str()); |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 180 | } |
| 181 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 182 | void ThrowIllegalAccessError(mirror::Class* referrer, const char* fmt, ...) { |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 183 | va_list args; |
| 184 | va_start(args, fmt); |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 185 | ThrowException("Ljava/lang/IllegalAccessError;", referrer, fmt, &args); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 186 | va_end(args); |
| 187 | } |
| 188 | |
Jeff Hao | 11d5d8f | 2014-03-26 15:08:20 -0700 | [diff] [blame] | 189 | // IllegalAccessException |
| 190 | |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 191 | void ThrowIllegalAccessException(const char* msg) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 192 | ThrowException("Ljava/lang/IllegalAccessException;", nullptr, msg); |
Jeff Hao | 11d5d8f | 2014-03-26 15:08:20 -0700 | [diff] [blame] | 193 | } |
| 194 | |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 195 | // IllegalArgumentException |
| 196 | |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 197 | void ThrowIllegalArgumentException(const char* msg) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 198 | ThrowException("Ljava/lang/IllegalArgumentException;", nullptr, msg); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 199 | } |
| 200 | |
| 201 | |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 202 | // IncompatibleClassChangeError |
| 203 | |
| 204 | void ThrowIncompatibleClassChangeError(InvokeType expected_type, InvokeType found_type, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 205 | ArtMethod* method, ArtMethod* referrer) { |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 206 | std::ostringstream msg; |
| 207 | msg << "The method '" << PrettyMethod(method) << "' was expected to be of type " |
| 208 | << expected_type << " but instead was found to be of type " << found_type; |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 209 | ThrowException("Ljava/lang/IncompatibleClassChangeError;", |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 210 | referrer != nullptr ? referrer->GetDeclaringClass() : nullptr, |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 211 | msg.str().c_str()); |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 212 | } |
| 213 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 214 | void ThrowIncompatibleClassChangeErrorClassForInterfaceDispatch(ArtMethod* interface_method, |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 215 | mirror::Object* this_object, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 216 | ArtMethod* referrer) { |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 217 | // Referrer is calling interface_method on this_object, however, the interface_method isn't |
| 218 | // implemented by this_object. |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 219 | CHECK(this_object != nullptr); |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 220 | std::ostringstream msg; |
| 221 | msg << "Class '" << PrettyDescriptor(this_object->GetClass()) |
| 222 | << "' does not implement interface '" |
| 223 | << PrettyDescriptor(interface_method->GetDeclaringClass()) |
| 224 | << "' in call to '" << PrettyMethod(interface_method) << "'"; |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 225 | ThrowException("Ljava/lang/IncompatibleClassChangeError;", |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 226 | referrer != nullptr ? referrer->GetDeclaringClass() : nullptr, |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 227 | msg.str().c_str()); |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 228 | } |
| 229 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 230 | void ThrowIncompatibleClassChangeErrorField(ArtField* resolved_field, bool is_static, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 231 | ArtMethod* referrer) { |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 232 | std::ostringstream msg; |
| 233 | msg << "Expected '" << PrettyField(resolved_field) << "' to be a " |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 234 | << (is_static ? "static" : "instance") << " field" << " rather than a " |
| 235 | << (is_static ? "instance" : "static") << " field"; |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 236 | ThrowException("Ljava/lang/IncompatibleClassChangeError;", referrer->GetDeclaringClass(), |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 237 | msg.str().c_str()); |
| 238 | } |
| 239 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 240 | void ThrowIncompatibleClassChangeError(mirror::Class* referrer, const char* fmt, ...) { |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 241 | va_list args; |
| 242 | va_start(args, fmt); |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 243 | ThrowException("Ljava/lang/IncompatibleClassChangeError;", referrer, fmt, &args); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 244 | va_end(args); |
| 245 | } |
| 246 | |
Alex Light | 9139e00 | 2015-10-09 15:59:48 -0700 | [diff] [blame] | 247 | void ThrowIncompatibleClassChangeErrorForMethodConflict(ArtMethod* method) { |
| 248 | DCHECK(method != nullptr); |
| 249 | ThrowException("Ljava/lang/IncompatibleClassChangeError;", |
| 250 | /*referrer*/nullptr, |
| 251 | StringPrintf("Conflicting default method implementations %s", |
| 252 | PrettyMethod(method).c_str()).c_str()); |
| 253 | } |
| 254 | |
| 255 | |
Ian Rogers | 8d31bbd | 2013-10-13 10:44:14 -0700 | [diff] [blame] | 256 | // IOException |
| 257 | |
| 258 | void ThrowIOException(const char* fmt, ...) { |
| 259 | va_list args; |
| 260 | va_start(args, fmt); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 261 | ThrowException("Ljava/io/IOException;", nullptr, fmt, &args); |
Ian Rogers | 8d31bbd | 2013-10-13 10:44:14 -0700 | [diff] [blame] | 262 | va_end(args); |
| 263 | } |
| 264 | |
Andreas Gampe | 329d188 | 2014-04-08 10:32:19 -0700 | [diff] [blame] | 265 | void ThrowWrappedIOException(const char* fmt, ...) { |
| 266 | va_list args; |
| 267 | va_start(args, fmt); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 268 | ThrowWrappedException("Ljava/io/IOException;", nullptr, fmt, &args); |
Andreas Gampe | 329d188 | 2014-04-08 10:32:19 -0700 | [diff] [blame] | 269 | va_end(args); |
| 270 | } |
| 271 | |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 272 | // LinkageError |
| 273 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 274 | void ThrowLinkageError(mirror::Class* referrer, const char* fmt, ...) { |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 275 | va_list args; |
| 276 | va_start(args, fmt); |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 277 | ThrowException("Ljava/lang/LinkageError;", referrer, fmt, &args); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 278 | va_end(args); |
| 279 | } |
| 280 | |
Vladimir Marko | d5e5a0e | 2015-05-08 12:26:59 +0100 | [diff] [blame] | 281 | void ThrowWrappedLinkageError(mirror::Class* referrer, const char* fmt, ...) { |
| 282 | va_list args; |
| 283 | va_start(args, fmt); |
| 284 | ThrowWrappedException("Ljava/lang/LinkageError;", referrer, fmt, &args); |
| 285 | va_end(args); |
| 286 | } |
| 287 | |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 288 | // NegativeArraySizeException |
| 289 | |
| 290 | void ThrowNegativeArraySizeException(int size) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 291 | ThrowException("Ljava/lang/NegativeArraySizeException;", nullptr, |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 292 | StringPrintf("%d", size).c_str()); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 293 | } |
| 294 | |
| 295 | void ThrowNegativeArraySizeException(const char* msg) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 296 | ThrowException("Ljava/lang/NegativeArraySizeException;", nullptr, msg); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 297 | } |
| 298 | |
| 299 | // NoSuchFieldError |
| 300 | |
| 301 | void ThrowNoSuchFieldError(const StringPiece& scope, mirror::Class* c, |
Mathieu Chartier | 4e06778 | 2015-05-13 13:13:24 -0700 | [diff] [blame] | 302 | const StringPiece& type, const StringPiece& name) { |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 303 | std::ostringstream msg; |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 304 | std::string temp; |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 305 | msg << "No " << scope << "field " << name << " of type " << type |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 306 | << " in class " << c->GetDescriptor(&temp) << " or its superclasses"; |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 307 | ThrowException("Ljava/lang/NoSuchFieldError;", c, msg.str().c_str()); |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 308 | } |
| 309 | |
Mathieu Chartier | 4e06778 | 2015-05-13 13:13:24 -0700 | [diff] [blame] | 310 | void ThrowNoSuchFieldException(mirror::Class* c, const StringPiece& name) { |
| 311 | std::ostringstream msg; |
| 312 | std::string temp; |
| 313 | msg << "No field " << name << " in class " << c->GetDescriptor(&temp); |
| 314 | ThrowException("Ljava/lang/NoSuchFieldException;", c, msg.str().c_str()); |
| 315 | } |
| 316 | |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 317 | // NoSuchMethodError |
| 318 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 319 | void ThrowNoSuchMethodError(InvokeType type, mirror::Class* c, const StringPiece& name, |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 320 | const Signature& signature) { |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 321 | std::ostringstream msg; |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 322 | std::string temp; |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 323 | msg << "No " << type << " method " << name << signature |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 324 | << " in class " << c->GetDescriptor(&temp) << " or its super classes"; |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 325 | ThrowException("Ljava/lang/NoSuchMethodError;", c, msg.str().c_str()); |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 326 | } |
| 327 | |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 328 | void ThrowNoSuchMethodError(uint32_t method_idx) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 329 | ArtMethod* method = Thread::Current()->GetCurrentMethod(nullptr); |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 330 | mirror::DexCache* dex_cache = method->GetDeclaringClass()->GetDexCache(); |
Ian Rogers | 4445a7e | 2012-10-05 17:19:13 -0700 | [diff] [blame] | 331 | const DexFile& dex_file = *dex_cache->GetDexFile(); |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 332 | std::ostringstream msg; |
| 333 | msg << "No method '" << PrettyMethod(method_idx, dex_file, true) << "'"; |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 334 | ThrowException("Ljava/lang/NoSuchMethodError;", |
| 335 | method->GetDeclaringClass(), msg.str().c_str()); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 336 | } |
| 337 | |
| 338 | // NullPointerException |
| 339 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 340 | void ThrowNullPointerExceptionForFieldAccess(ArtField* field, bool is_read) { |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 341 | std::ostringstream msg; |
| 342 | msg << "Attempt to " << (is_read ? "read from" : "write to") |
| 343 | << " field '" << PrettyField(field, true) << "' on a null object reference"; |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 344 | ThrowException("Ljava/lang/NullPointerException;", nullptr, msg.str().c_str()); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 345 | } |
| 346 | |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 347 | static void ThrowNullPointerExceptionForMethodAccessImpl(uint32_t method_idx, |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 348 | const DexFile& dex_file, |
| 349 | InvokeType type) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 350 | SHARED_REQUIRES(Locks::mutator_lock_) { |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 351 | std::ostringstream msg; |
| 352 | msg << "Attempt to invoke " << type << " method '" |
| 353 | << PrettyMethod(method_idx, dex_file, true) << "' on a null object reference"; |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 354 | ThrowException("Ljava/lang/NullPointerException;", nullptr, msg.str().c_str()); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 355 | } |
| 356 | |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 357 | void ThrowNullPointerExceptionForMethodAccess(uint32_t method_idx, |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 358 | InvokeType type) { |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 359 | mirror::DexCache* dex_cache = |
| 360 | Thread::Current()->GetCurrentMethod(nullptr)->GetDeclaringClass()->GetDexCache(); |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 361 | const DexFile& dex_file = *dex_cache->GetDexFile(); |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 362 | ThrowNullPointerExceptionForMethodAccessImpl(method_idx, dex_file, type); |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 363 | } |
| 364 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 365 | void ThrowNullPointerExceptionForMethodAccess(ArtMethod* method, |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 366 | InvokeType type) { |
| 367 | mirror::DexCache* dex_cache = method->GetDeclaringClass()->GetDexCache(); |
| 368 | const DexFile& dex_file = *dex_cache->GetDexFile(); |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 369 | ThrowNullPointerExceptionForMethodAccessImpl(method->GetDexMethodIndex(), |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 370 | dex_file, type); |
| 371 | } |
| 372 | |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 373 | void ThrowNullPointerExceptionFromDexPC() { |
| 374 | uint32_t throw_dex_pc; |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 375 | ArtMethod* method = Thread::Current()->GetCurrentMethod(&throw_dex_pc); |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 376 | const DexFile::CodeItem* code = method->GetCodeItem(); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 377 | CHECK_LT(throw_dex_pc, code->insns_size_in_code_units_); |
| 378 | const Instruction* instr = Instruction::At(&code->insns_[throw_dex_pc]); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 379 | switch (instr->Opcode()) { |
| 380 | case Instruction::INVOKE_DIRECT: |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 381 | ThrowNullPointerExceptionForMethodAccess(instr->VRegB_35c(), kDirect); |
Sebastien Hertz | 75b2a4a | 2013-05-21 09:25:10 +0200 | [diff] [blame] | 382 | break; |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 383 | case Instruction::INVOKE_DIRECT_RANGE: |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 384 | ThrowNullPointerExceptionForMethodAccess(instr->VRegB_3rc(), kDirect); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 385 | break; |
| 386 | case Instruction::INVOKE_VIRTUAL: |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 387 | ThrowNullPointerExceptionForMethodAccess(instr->VRegB_35c(), kVirtual); |
Sebastien Hertz | 75b2a4a | 2013-05-21 09:25:10 +0200 | [diff] [blame] | 388 | break; |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 389 | case Instruction::INVOKE_VIRTUAL_RANGE: |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 390 | ThrowNullPointerExceptionForMethodAccess(instr->VRegB_3rc(), kVirtual); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 391 | break; |
| 392 | case Instruction::INVOKE_INTERFACE: |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 393 | ThrowNullPointerExceptionForMethodAccess(instr->VRegB_35c(), kInterface); |
Sebastien Hertz | 75b2a4a | 2013-05-21 09:25:10 +0200 | [diff] [blame] | 394 | break; |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 395 | case Instruction::INVOKE_INTERFACE_RANGE: |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 396 | ThrowNullPointerExceptionForMethodAccess(instr->VRegB_3rc(), kInterface); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 397 | break; |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 398 | case Instruction::INVOKE_VIRTUAL_QUICK: |
| 399 | case Instruction::INVOKE_VIRTUAL_RANGE_QUICK: { |
| 400 | // Since we replaced the method index, we ask the verifier to tell us which |
| 401 | // method is invoked at this location. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 402 | ArtMethod* invoked_method = |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 403 | verifier::MethodVerifier::FindInvokedMethodAtDexPc(method, throw_dex_pc); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 404 | if (invoked_method != nullptr) { |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 405 | // NPE with precise message. |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 406 | ThrowNullPointerExceptionForMethodAccess(invoked_method, kVirtual); |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 407 | } else { |
| 408 | // NPE with imprecise message. |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 409 | ThrowNullPointerException("Attempt to invoke a virtual method on a null object reference"); |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 410 | } |
| 411 | break; |
| 412 | } |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 413 | case Instruction::IGET: |
| 414 | case Instruction::IGET_WIDE: |
| 415 | case Instruction::IGET_OBJECT: |
| 416 | case Instruction::IGET_BOOLEAN: |
| 417 | case Instruction::IGET_BYTE: |
| 418 | case Instruction::IGET_CHAR: |
| 419 | case Instruction::IGET_SHORT: { |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 420 | ArtField* field = |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 421 | Runtime::Current()->GetClassLinker()->ResolveField(instr->VRegC_22c(), method, false); |
| 422 | ThrowNullPointerExceptionForFieldAccess(field, true /* read */); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 423 | break; |
| 424 | } |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 425 | case Instruction::IGET_QUICK: |
Mathieu Chartier | ffc605c | 2014-12-10 10:35:44 -0800 | [diff] [blame] | 426 | case Instruction::IGET_BOOLEAN_QUICK: |
| 427 | case Instruction::IGET_BYTE_QUICK: |
| 428 | case Instruction::IGET_CHAR_QUICK: |
| 429 | case Instruction::IGET_SHORT_QUICK: |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 430 | case Instruction::IGET_WIDE_QUICK: |
| 431 | case Instruction::IGET_OBJECT_QUICK: { |
| 432 | // Since we replaced the field index, we ask the verifier to tell us which |
| 433 | // field is accessed at this location. |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 434 | ArtField* field = |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 435 | verifier::MethodVerifier::FindAccessedFieldAtDexPc(method, throw_dex_pc); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 436 | if (field != nullptr) { |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 437 | // NPE with precise message. |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 438 | ThrowNullPointerExceptionForFieldAccess(field, true /* read */); |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 439 | } else { |
| 440 | // NPE with imprecise message. |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 441 | ThrowNullPointerException("Attempt to read from a field on a null object reference"); |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 442 | } |
| 443 | break; |
| 444 | } |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 445 | case Instruction::IPUT: |
| 446 | case Instruction::IPUT_WIDE: |
| 447 | case Instruction::IPUT_OBJECT: |
| 448 | case Instruction::IPUT_BOOLEAN: |
| 449 | case Instruction::IPUT_BYTE: |
| 450 | case Instruction::IPUT_CHAR: |
| 451 | case Instruction::IPUT_SHORT: { |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 452 | ArtField* field = |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 453 | Runtime::Current()->GetClassLinker()->ResolveField(instr->VRegC_22c(), method, false); |
| 454 | ThrowNullPointerExceptionForFieldAccess(field, false /* write */); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 455 | break; |
| 456 | } |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 457 | case Instruction::IPUT_QUICK: |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 458 | case Instruction::IPUT_BOOLEAN_QUICK: |
| 459 | case Instruction::IPUT_BYTE_QUICK: |
| 460 | case Instruction::IPUT_CHAR_QUICK: |
| 461 | case Instruction::IPUT_SHORT_QUICK: |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 462 | case Instruction::IPUT_WIDE_QUICK: |
| 463 | case Instruction::IPUT_OBJECT_QUICK: { |
| 464 | // Since we replaced the field index, we ask the verifier to tell us which |
| 465 | // field is accessed at this location. |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 466 | ArtField* field = |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 467 | verifier::MethodVerifier::FindAccessedFieldAtDexPc(method, throw_dex_pc); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 468 | if (field != nullptr) { |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 469 | // NPE with precise message. |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 470 | ThrowNullPointerExceptionForFieldAccess(field, false /* write */); |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 471 | } else { |
| 472 | // NPE with imprecise message. |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 473 | ThrowNullPointerException("Attempt to write to a field on a null object reference"); |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 474 | } |
| 475 | break; |
| 476 | } |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 477 | case Instruction::AGET: |
| 478 | case Instruction::AGET_WIDE: |
| 479 | case Instruction::AGET_OBJECT: |
| 480 | case Instruction::AGET_BOOLEAN: |
| 481 | case Instruction::AGET_BYTE: |
| 482 | case Instruction::AGET_CHAR: |
| 483 | case Instruction::AGET_SHORT: |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 484 | ThrowException("Ljava/lang/NullPointerException;", nullptr, |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 485 | "Attempt to read from null array"); |
| 486 | break; |
| 487 | case Instruction::APUT: |
| 488 | case Instruction::APUT_WIDE: |
| 489 | case Instruction::APUT_OBJECT: |
| 490 | case Instruction::APUT_BOOLEAN: |
| 491 | case Instruction::APUT_BYTE: |
| 492 | case Instruction::APUT_CHAR: |
| 493 | case Instruction::APUT_SHORT: |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 494 | ThrowException("Ljava/lang/NullPointerException;", nullptr, |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 495 | "Attempt to write to null array"); |
| 496 | break; |
| 497 | case Instruction::ARRAY_LENGTH: |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 498 | ThrowException("Ljava/lang/NullPointerException;", nullptr, |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 499 | "Attempt to get length of null array"); |
| 500 | break; |
| 501 | default: { |
| 502 | // TODO: We should have covered all the cases where we expect a NPE above, this |
| 503 | // message/logging is so we can improve any cases we've missed in the future. |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 504 | const DexFile* dex_file = |
| 505 | method->GetDeclaringClass()->GetDexCache()->GetDexFile(); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 506 | ThrowException("Ljava/lang/NullPointerException;", nullptr, |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 507 | StringPrintf("Null pointer exception during instruction '%s'", |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 508 | instr->DumpString(dex_file).c_str()).c_str()); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 509 | break; |
| 510 | } |
| 511 | } |
| 512 | } |
| 513 | |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 514 | void ThrowNullPointerException(const char* msg) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 515 | ThrowException("Ljava/lang/NullPointerException;", nullptr, msg); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 516 | } |
| 517 | |
| 518 | // RuntimeException |
| 519 | |
| 520 | void ThrowRuntimeException(const char* fmt, ...) { |
| 521 | va_list args; |
| 522 | va_start(args, fmt); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 523 | ThrowException("Ljava/lang/RuntimeException;", nullptr, fmt, &args); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 524 | va_end(args); |
| 525 | } |
| 526 | |
Andreas Gampe | 103992b | 2016-01-04 15:32:43 -0800 | [diff] [blame] | 527 | // Stack overflow. |
| 528 | |
| 529 | void ThrowStackOverflowError(Thread* self) { |
| 530 | if (self->IsHandlingStackOverflow()) { |
| 531 | LOG(ERROR) << "Recursive stack overflow."; |
| 532 | // We don't fail here because SetStackEndForStackOverflow will print better diagnostics. |
| 533 | } |
| 534 | |
| 535 | self->SetStackEndForStackOverflow(); // Allow space on the stack for constructor to execute. |
| 536 | JNIEnvExt* env = self->GetJniEnv(); |
| 537 | std::string msg("stack size "); |
| 538 | msg += PrettySize(self->GetStackSize()); |
| 539 | |
| 540 | // Avoid running Java code for exception initialization. |
| 541 | // TODO: Checks to make this a bit less brittle. |
| 542 | |
| 543 | std::string error_msg; |
| 544 | |
| 545 | // Allocate an uninitialized object. |
| 546 | ScopedLocalRef<jobject> exc(env, |
| 547 | env->AllocObject(WellKnownClasses::java_lang_StackOverflowError)); |
| 548 | if (exc.get() != nullptr) { |
| 549 | // "Initialize". |
| 550 | // StackOverflowError -> VirtualMachineError -> Error -> Throwable -> Object. |
| 551 | // Only Throwable has "custom" fields: |
| 552 | // String detailMessage. |
| 553 | // Throwable cause (= this). |
| 554 | // List<Throwable> suppressedExceptions (= Collections.emptyList()). |
| 555 | // Object stackState; |
| 556 | // StackTraceElement[] stackTrace; |
| 557 | // Only Throwable has a non-empty constructor: |
| 558 | // this.stackTrace = EmptyArray.STACK_TRACE_ELEMENT; |
| 559 | // fillInStackTrace(); |
| 560 | |
| 561 | // detailMessage. |
| 562 | // TODO: Use String::FromModifiedUTF...? |
| 563 | ScopedLocalRef<jstring> s(env, env->NewStringUTF(msg.c_str())); |
| 564 | if (s.get() != nullptr) { |
| 565 | env->SetObjectField(exc.get(), WellKnownClasses::java_lang_Throwable_detailMessage, s.get()); |
| 566 | |
| 567 | // cause. |
| 568 | env->SetObjectField(exc.get(), WellKnownClasses::java_lang_Throwable_cause, exc.get()); |
| 569 | |
| 570 | // suppressedExceptions. |
| 571 | ScopedLocalRef<jobject> emptylist(env, env->GetStaticObjectField( |
| 572 | WellKnownClasses::java_util_Collections, |
| 573 | WellKnownClasses::java_util_Collections_EMPTY_LIST)); |
| 574 | CHECK(emptylist.get() != nullptr); |
| 575 | env->SetObjectField(exc.get(), |
| 576 | WellKnownClasses::java_lang_Throwable_suppressedExceptions, |
| 577 | emptylist.get()); |
| 578 | |
| 579 | // stackState is set as result of fillInStackTrace. fillInStackTrace calls |
| 580 | // nativeFillInStackTrace. |
| 581 | ScopedLocalRef<jobject> stack_state_val(env, nullptr); |
| 582 | { |
| 583 | ScopedObjectAccessUnchecked soa(env); |
| 584 | stack_state_val.reset(soa.Self()->CreateInternalStackTrace<false>(soa)); |
| 585 | } |
| 586 | if (stack_state_val.get() != nullptr) { |
| 587 | env->SetObjectField(exc.get(), |
| 588 | WellKnownClasses::java_lang_Throwable_stackState, |
| 589 | stack_state_val.get()); |
| 590 | |
| 591 | // stackTrace. |
| 592 | ScopedLocalRef<jobject> stack_trace_elem(env, env->GetStaticObjectField( |
| 593 | WellKnownClasses::libcore_util_EmptyArray, |
| 594 | WellKnownClasses::libcore_util_EmptyArray_STACK_TRACE_ELEMENT)); |
| 595 | env->SetObjectField(exc.get(), |
| 596 | WellKnownClasses::java_lang_Throwable_stackTrace, |
| 597 | stack_trace_elem.get()); |
| 598 | } else { |
| 599 | error_msg = "Could not create stack trace."; |
| 600 | } |
| 601 | // Throw the exception. |
| 602 | self->SetException(reinterpret_cast<mirror::Throwable*>(self->DecodeJObject(exc.get()))); |
| 603 | } else { |
| 604 | // Could not allocate a string object. |
| 605 | error_msg = "Couldn't throw new StackOverflowError because JNI NewStringUTF failed."; |
| 606 | } |
| 607 | } else { |
| 608 | error_msg = "Could not allocate StackOverflowError object."; |
| 609 | } |
| 610 | |
| 611 | if (!error_msg.empty()) { |
| 612 | LOG(WARNING) << error_msg; |
| 613 | CHECK(self->IsExceptionPending()); |
| 614 | } |
| 615 | |
| 616 | bool explicit_overflow_check = Runtime::Current()->ExplicitStackOverflowChecks(); |
| 617 | self->ResetDefaultStackEnd(); // Return to default stack size. |
| 618 | |
| 619 | // And restore protection if implicit checks are on. |
| 620 | if (!explicit_overflow_check) { |
| 621 | self->ProtectStack(); |
| 622 | } |
| 623 | } |
| 624 | |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 625 | // VerifyError |
| 626 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 627 | void ThrowVerifyError(mirror::Class* referrer, const char* fmt, ...) { |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 628 | va_list args; |
| 629 | va_start(args, fmt); |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 630 | ThrowException("Ljava/lang/VerifyError;", referrer, fmt, &args); |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 631 | va_end(args); |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 632 | } |
| 633 | |
| 634 | } // namespace art |